import state.*;

public class StatePatternDemo {
	public static void main(String[] args) {
		Context context = new Context();
		
	    StartState startState = new StartState();
	    startState.doAction(context);
	 
	    System.out.println(context.getState().toString());
	 
	    StopState stopState = new StopState();
	    stopState.doAction(context);
	 
	    System.out.println(context.getState().toString());
	}
}
